|
12.11.2014, 19:07
#38804022
Ссылка:
Ссылка на сообщение:
Ссылка с названием темы:
Ссылка на профиль пользователя:
|
|
|
Участник
Откуда: г. Пермь
Сообщения: 4 264
Рейтинг:
0
/ 0
|
|
|
|
Che0,
у TreeView есть
ItemContainerStyle свойство, задающее стиль элемента TreeViewItem. Если нужно поменять в нём ToggleButton, то в этом стиле нужно переопределить шаблон TreeViewItem, в котором создать кнопку с нужным стилем. и незабыть ItemsPresenter
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
67.
68.
69.
70.
71.
72.
73.
74.
75.
76.
77.
78.
79.
80.
81.
82.
83.
84.
85.
86.
87.
88.
89.
90.
91.
92.
93.
94.
95.
96.
97.
98.
99.
100.
101.
102.
103.
104.
105.
106.
107.
108.
109.
110.
111.
112.
113.
114.
115.
116.
117.
118.
119.
120.
121.
122.
123.
124.
125.
126.
127.
128.
129.
130.
131.
132.
133.
134.
135.
136.
137.
138.
139.
140.
141.
142.
143.
144.
145.
146.
147.
148.
149.
150.
151.
152.
153.
154.
155.
156.
157.
158.
159.
160.
161.
162.
163.
164.
<Style TargetType="{x:Type TreeView}" x:Key="TreeViewStyle">
<Setter Property="ItemContainerStyle">
<Setter.Value>
<Style TargetType="{x:Type TreeViewItem}">
<Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}" />
<Setter Property="helper:TreeViewExtensions.IsChecked" Value="{Binding IsChecked, Mode=TwoWay}" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TreeViewItem}">
<ControlTemplate.Resources>
<SolidColorBrush x:Key="GlyphBrush" Color="#444" />
<Style x:Key="ExpandCollapseToggleStyle" TargetType="{x:Type ToggleButton}">
<Setter Property="Focusable" Value="False"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ToggleButton}">
<Grid Width="15" Height="13" Background="Transparent">
<Path Grid.Column="0" x:Name="arrow" Data="M 1,1.5 L 4.5,5 L 8,1.5" HorizontalAlignment="Center" SnapsToDevicePixels="false" Stroke="#666" StrokeThickness="2" VerticalAlignment="Center" RenderTransformOrigin="0.5,0.5">
<Path.RenderTransform>
<TransformGroup>
<RotateTransform x:Name="arrowtransform" Angle="-90"/>
</TransformGroup>
</Path.RenderTransform>
</Path>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsChecked" Value="True">
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard TargetName="arrowtransform" TargetProperty="Angle">
<DoubleAnimation To="0" Duration="0:0:0.3"/>
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
<Trigger.ExitActions>
<BeginStoryboard>
<Storyboard TargetName="arrowtransform" TargetProperty="Angle">
<DoubleAnimation To="-90" Duration="0:0:0.3"/>
</Storyboard>
</BeginStoryboard>
</Trigger.ExitActions>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="TreeViewItemFocusVisual">
<Setter Property="Control.Template">
<Setter.Value>
<ControlTemplate>
<Border>
<Rectangle Margin="0,0,0,0" StrokeThickness="5" Stroke="Black" StrokeDashArray="1 2" Opacity="0"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<converters:LeftMarginMultiplierConverter Length="19" x:Key="LengthConverter" />
</ControlTemplate.Resources>
<StackPanel>
<StackPanel>
<Grid>
<Border Name="Bd" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" Margin="1"
BorderThickness="{TemplateBinding BorderThickness}"
Padding="{TemplateBinding Padding}">
<Grid Margin="{Binding Converter={StaticResource LengthConverter},RelativeSource={RelativeSource TemplatedParent}}">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="19" />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<ToggleButton x:Name="Expander" Style="{StaticResource ExpandCollapseToggleStyle}"
IsChecked="{Binding Path=IsExpanded, RelativeSource={RelativeSource TemplatedParent}}"
ClickMode="Press"
Cursor="Arrow"/>
<ContentPresenter Grid.Column="1" x:Name="PART_Header" ContentSource="Header" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"/>
</Grid>
</Border>
<!--</ToggleButton>-->
<Rectangle x:Name="FocusBorder" StrokeThickness="1" Stroke="Gray" StrokeDashArray="1 2" SnapsToDevicePixels="true" Visibility="Collapsed" Margin="1"/>
</Grid>
<ItemsPresenter x:Name="ItemsHost" />
</StackPanel>
</StackPanel>
<ControlTemplate.Triggers>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="helper:TreeViewExtensions.HasCheckedItems" Value="True"/>
<Condition Property="helper:TreeViewExtensions.IsChecked" Value="False"/>
</MultiTrigger.Conditions>
<Setter TargetName="Bd" Property="Background">
<Setter.Value>
<DrawingBrush Viewbox="0,0,1,1" Viewport="0,0,7,7" ViewportUnits="Absolute" TileMode="Tile">
<DrawingBrush.Drawing>
<DrawingGroup>
<GeometryDrawing Geometry="M0,0 L0.5,0 L0,.5 z" Brush="#F8EFCF" />
<GeometryDrawing Geometry="M0,1 L1,0 L1,.5 L.5,1 z" Brush="#F8EFCF" />
</DrawingGroup>
</DrawingBrush.Drawing>
</DrawingBrush>
</Setter.Value>
</Setter>
</MultiTrigger>
<Trigger Property="helper:TreeViewExtensions.IsChecked" Value="True">
<Setter TargetName="Bd" Property="Background" Value="#E3BF40"></Setter>
</Trigger>
<Trigger Property="IsExpanded" Value="false">
<Setter TargetName="ItemsHost" Property="Visibility" Value="Collapsed"/>
</Trigger>
<Trigger Property="HasItems" Value="false">
<Setter TargetName="Expander" Property="Visibility" Value="Hidden"/>
</Trigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="HasHeader" Value="false"/>
<Condition Property="Width" Value="Auto"/>
</MultiTrigger.Conditions>
<Setter TargetName="PART_Header" Property="MinWidth" Value="75"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="HasHeader" Value="false"/>
<Condition Property="Height" Value="Auto"/>
</MultiTrigger.Conditions>
<Setter TargetName="PART_Header" Property="MinHeight" Value="19"/>
</MultiTrigger>
<Trigger Property="IsSelected" Value="true">
<Setter TargetName="FocusBorder" Property="Visibility" Value="Visible"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="helper:TreeViewItemMouseOverHelper.IsMouseDirectlyOverItem" Value="True">
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<ColorAnimation Storyboard.TargetProperty="Background.(SolidColorBrush.Color)"
To="#F8EFCF" Duration="0:0:0.3"/>
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
<Trigger.ExitActions>
<BeginStoryboard>
<Storyboard>
<ColorAnimation Storyboard.TargetProperty="Background.(SolidColorBrush.Color)"
To="Transparent" Duration="0:0:0.3"/>
</Storyboard>
</BeginStoryboard>
</Trigger.ExitActions>
</Trigger>
</Style.Triggers>
</Style>
</Setter.Value>
</Setter>
</Style>
|
|
|
